Polyaluminum chloride (PAC) is a commonly used water treatment agent for purifying and flocculating suspended solids and pollutants in water. The alkalinity of PAC refers to its alkalinity in solution, which can affect the performance and effectiveness of PAC.
Adjusting the alkalinity of PAC can be done in the following ways:
Adding alkaline substances: The alkalinity of PAC can be increased by adding alkaline substances such as sodium hydroxide (NaOH) or calcium hydroxide (Ca (OH) 2). This will make the solution of PAC more alkaline, thereby affecting its purification and flocculation effects. The added alkaline substances should be controlled according to specific circumstances and needs to avoid excessive adjustment of alkalinity.
Dilution: By diluting the PAC solution, its alkalinity can be reduced. This can be achieved by adding more water or other suitable solvents. The diluted PAC solution will have a lower salinity, which may affect its purification effect.
Different models of PAC: Different models of PAC have different alkalinity. Choosing different models of PAC can achieve adjustment of salinity. The specific selection should be based on the water quality characteristics and needs to achieve excellent treatment results.
Adjusting the alkalinity of PAC requires evaluation and debugging based on specific circumstances. Before making any adjustments, it is recommended to consult professional water treatment experts or refer to relevant water treatment guidelines and recommendations. In addition, appropriate operating procedures should be followed and operations should be carried out in accordance with local regulations and requirements.
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